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Winterize your inboard/outboard marine engines right on the trailer. This do-it-yourself kit makes it quick and easy to flush and prepare your engine for winter storage. This gravity flow system includes a 5-gal. antifreeze tank with on/off valve, a ball valve, winterizing tee, and 8' clear hose with fittings. All you need to add is your flusher and antifreeze (not included).

I'm not a mechanic but wanted to avoid having to pay a few hundred bucks to winterize my boat. This kit was very straight-forward and easy to use. I used it to winterize my...Read complete review

I'm not a mechanic but wanted to avoid having to pay a few hundred bucks to winterize my boat. This kit was very straight-forward and easy to use. I used it to winterize my Bayliner 185 and the process could not have been simpler. The best part is that I'll already have this kit when it is time to winterize the boat again next year. All that I'll have to buy next year for the winterization is more RV anti-freeze! Definitely get this kit. By the time you bought a hose, container, valves, couplers etc. you'd most likely meet or exceed the cost of this excellent all-in-one kit. Don't forget to buy the flusher muffs though if you don't already own a pair.

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Most Liked Negative Review

Beware of the vent hole

I haven't seen anyone else mention this so maybe mine was defective, but be sure to check that the vent hole is actually open before using.

I haven't seen anyone else mention this so maybe mine was defective, but be sure to check that the vent hole is actually open before using.

I removed the vent cap per instructions but didn't notice until I started winterizing that the vent hole was not actually bored out. I didn't notice until the container had sucked in to the point that the engine stopped getting flow. Luckily I was able to switch back to water and cool things down.

I had to bore out the vent hole with a screwdriver to get proper flow.

Im a single mom and beginning boater. With recent hard frost here in California I was warned the boat block could freeze. The boat was given to me so I have had no experience whatsoever with the mechanical side of a boat. Im a big beleiver in proper care and maintenance so I started investigating winterizing online. The videos, instructions and this product made getting the needed antifreeze in the boat simple. I also fogged the engine and got the fuel stabilizer in the tank. Feeling very accomplished. If I can winterize a boat, anyone can!

Description:
For Moving And Rolling Small Fishing Boats With
Ease! This durable, 1" dia., zinc-plated steel dolly will make the task of moving your boat easier on your back. Dolly clamps securely to the transom and rolls smoothly on four 7" ...

Description:
An essential part of the winterizing process, this
fogging fluid protects your engine by clinging to its individual components. Coats cylinder walls, pistons, rings, bearings, carburetor, combustion chamber, intake valves, and more. Can also be used on fishing reels, tools, ...

Description:
This quick-flushing unit fits most standard outboards and
I/Os with a side inlet vent. Installs easily in seconds with an ordinary garden hose. No tools required. Lengthens engine life by flushing out salt, sand, and corrosive chemicals in minutes.